<template>
  <div :class="['page-header', layout, pageWidth]">
    <div class="page-header-wide">
      <div class="breadcrumb">
        <a-breadcrumb>
          <a-breadcrumb-item :key="index" v-for="(item, index) in breadcrumb">
            <span>{{ item }}</span>
          </a-breadcrumb-item>
        </a-breadcrumb>
      </div>
      <div class="detail">
        <div class="main">
          <div class="row">
            <h1 v-if="showPageTitle && title" class="title">
              <template v-if="breadcrumb && breadcrumb.length > 2">
                <a-icon type="left-circle" class="btn-back" @click="back" />
              </template>
              {{ title }}
            </h1>
            <div class="action"><slot name="action"></slot></div>
          </div>
          <div class="row">
            <div v-if="this.$slots.content" class="content">
              <div v-if="avatar" class="avatar">
                <a-avatar :src="avatar" :size="72" />
              </div>
              <slot name="content"></slot>
            </div>
            <div v-if="this.$slots.extra" class="extra">
              <slot name="extra"></slot>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
  import { mapState } from 'vuex'
  export default {
    name: 'PageHeader',
    props: {
      title: {
        type: [String, Boolean],
        required: false,
      },
      breadcrumb: {
        type: Array,
        required: false,
      },
      logo: {
        type: String,
        required: false,
      },
      avatar: {
        type: String,
        required: false,
      },
    },
    computed: {
      ...mapState('setting', ['layout', 'showPageTitle', 'pageWidth']),
    },
    methods: {
      back() {
        this.$router.go(-1)
      },
    },
  }
</script>

<style lang="less" scoped>
  @import 'index';
</style>
